Question 13116 of 731 · Texas Journeyman Electrician Exam
A 24 A continuous load is supplied by a branch circuit. What is the minimum overcurrent device rating and minimum copper conductor size with 60 °C terminations?
Exactly one answer is correct.
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Correct answer to question 13116
- D: 30 A breaker, 10 AWG
Explanation
24 x 1.25 = 30 A, so the breaker must be 30 A and the conductor needs at least 30 A of ampacity in the 60 °C column, which is 10 AWG. 12 AWG is limited to 20 A protection by the small conductor rule.
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